# UNITIL CORP — DEF 14A

UNITIL CORP of HAMPTON, NH filed a DEF 14A with the SEC on 2026-03-27. Industry: Electric & Other Services Combined.

## Filing

- Filed: 2026-03-27
- Form: DEF 14A
- Accession: 0001193125-26-128263
- Registrant: UNITIL CORP
- CIK: 0000755001
- Industry (SIC): Electric & Other Services Combined (4931)
- State of incorporation: NH
- Location: HAMPTON, NH

## Documents (54)

_Showing 15 of 54 documents._

| Seq | Type | Description |
| --- | --- | --- |
| 1 | DEF 14A | DEF 14A |
| 2 | EX-101.SCH | XBRL TAXONOMY EXTENSION SCHEMA |
| 3 | GRAPHIC | GRAPHIC |
| 4 | GRAPHIC | GRAPHIC |
| 5 | GRAPHIC | GRAPHIC |
| 6 | GRAPHIC | GRAPHIC |
| 7 | GRAPHIC | GRAPHIC |
| 8 | GRAPHIC | GRAPHIC |
| 9 | GRAPHIC | GRAPHIC |
| 10 | GRAPHIC | GRAPHIC |
| 11 | GRAPHIC | GRAPHIC |
| 12 | GRAPHIC | GRAPHIC |
| 13 | GRAPHIC | GRAPHIC |
| 14 | GRAPHIC | GRAPHIC |
| 15 | GRAPHIC | GRAPHIC |

## Filing timeline for this registrant (40)

_Showing 12 of 40 filings._

| Filed | Form |
| --- | --- |
| 2026-03-27 | DEF 14A |
| [2025-03-28](https://search.stillhousedata.com/proxy/0001193125-25-066425) | DEF 14A |
| [2024-04-08](https://search.stillhousedata.com/proxy/0001193125-24-089706) | DEFA14A |
| [2024-03-29](https://search.stillhousedata.com/proxy/0001193125-24-081680) | DEF 14A |
| [2023-04-07](https://search.stillhousedata.com/proxy/0001193125-23-095322) | DEFA14A |
| [2023-03-28](https://search.stillhousedata.com/proxy/0001193125-23-082008) | DEF 14A |
| [2022-03-29](https://search.stillhousedata.com/proxy/0001193125-22-088143) | DEF 14A |
| [2021-03-25](https://search.stillhousedata.com/proxy/0001193125-21-094181) | DEF 14A |
| [2020-03-31](https://search.stillhousedata.com/proxy/0001193125-20-092616) | DEF 14A |
| [2019-03-27](https://search.stillhousedata.com/proxy/0001193125-19-088115) | DEF 14A |
| [2018-03-19](https://search.stillhousedata.com/proxy/0001193125-18-087258) | DEF 14A |
| [2017-03-20](https://search.stillhousedata.com/proxy/0001193125-17-089096) | DEF 14A |

## More

- [CIK 755001 on SEC EDGAR (source of record)](https://www.sec.gov/cgi-bin/browse-edgar?action=getcompany&CIK=755001&type=&dateb=&owner=include&count=40)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/proxy/0001193125-26-128263.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.